**ADG1633BRUZ: A Comprehensive Technical Overview of Analog Devices’ 1 Ω Triple SPDT Switch**

The **ADG1633BRUZ** represents a significant advancement in analog switch technology, offering engineers a highly integrated and efficient solution for signal routing in a wide array of applications. As a **monolithic CMOS device** containing three independent single-pole, double-throw (SPDT) switches, it is engineered to provide exceptional performance where low on-resistance and minimal distortion are critical.

A defining characteristic of this switch is its remarkably **low on-resistance (Ron) of just 1 Ω**, which remains exceptionally flat across the input signal range. This low and linear Ron is crucial as it minimizes signal attenuation and distortion, preserving the integrity of both analog and digital signals being switched. This makes the part ideal for precision data acquisition systems, audio and video routing, and automatic test equipment (ATE).

The device operates from a **single supply from +3.3 V to +5.5 V**, while also supporting dual supplies up to ±5.5 V. This flexibility allows for seamless integration into both modern low-voltage and traditional bipolar supply systems. Furthermore, the ADG1633BRUZ features **break-before-make switching action**, a critical safety function that prevents momentary shorting between channels during the switching process.

Housed in a compact 16-lead TSSOP package, the ADG1633BRUZ is designed for space-constrained applications. Its **TTL/CMOS-compatible digital inputs** simplify interface logic, ensuring easy control with standard microcontrollers and FPGAs. The robustness of the design is underscored by its **latch-up immunity**, a key feature that enhances reliability in demanding environments.

Beyond its electrical specs, the switch is engineered for high performance. It offers a high continuous current carrying capability per channel and features very low charge injection, which is paramount for maintaining accuracy in sample-and-hold circuits and reducing glitches in data acquisition systems.

ICGOODFIND: The ADG1633BRUZ from Analog Devices stands out as a premier triple SPDT switch, combining an ultra-low 1 Ω on-resistance, versatile power supply options, and robust integration into a small form factor. It is an optimal choice for designers seeking to maximize signal fidelity and system reliability in precision switching applications.

**Keywords:** Low On-Resistance, SPDT Switch, Analog Switching, CMOS Device, Break-Before-Make.